Proware EP-2243D-F4S3, User Manual

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Fibre to SAS/SATA II RAID Subsystem
84 User Manual
Time to HDD Low Power Idle: (MAID Level 1)
This option enables the RAID subsystem to place idle HDDs of a Raid Set in Low
Power Mode, where drives’ heads are unloaded. The power consumption of the Idle
HDD saving is around 15% to 20%. Recovery time is under a second.
Options are: Disabled, 2, 3, 4, 5, 6, and 7 (Minutes).
Time to HDD Low RPM Mode: (MAID Level 2)
This option enables the RAID subsystem to place idle HDDs of a Raid Set in Low RPM
Mode, where drives’ heads are unloaded and drive platters speed is reduced to
around 4000 RPM. The power consumption of the Idle HDD saving is from 35% to
45%. Recovery time is 15 seconds.
Options are: Disabled, 10, 20, 30, 40, 50, and 60 (Minutes).
Time to Spin Down Idle HDD: (MAID Level 3)
This option enables the Raid subsystem to spin down HDDs of a Raid Set after they
become idle after a preset period of time. In this level, the drives stop spinning and
go into sleep mode. The power consumption of the Idle HDD saving is from 60% to
70%. Recovery time is 30 to 45 seconds.
Options are: Disabled, 1 (For Test), 3, 5, 10, 15, 20, 30, 40, and 60 (Minutes).
NOTE: To verify if the disk drive you use supports MAID or APM,
select “RaidSet Hierarchy” and click the disk drive (E# Slot#) link.
Check in the Device Information screen if the Disk APM Support
shows “Yes”.